Studies on the Constituents of Osmorhiza aristata (THUNB.) MAKINO et YABE

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Abstract
The constituents of O. aristata (Thunb.) Making et Yabe (Umbelliferae) were examined. The essential oil obtained by steam distillation was separated by silica gel column and gas liquid chromatography. Benzoic acid, phenylacetic acid, .beta.-phenylpropionic acid, 10 fatty acids, phenol, cresol (o-, p-), guaiacol, chavicol, p-anol, chavibetol, isochavitetol, .beta.-ocimene, p-cymene, .gamma.-terpinene, terpinolene, estragole, anethole, 1-allyl-2,4-dimethoxybenzene, 2,4-dimethoxy-1-propenylbenzene, n-hexyl acetate, n-octyl acetate, n-decyl acetate and 5 n-paraffins were detected in the rhizome. From the leaves, .beta.-farnesene, .beta.-caryopyllene, cis-3-hexene-1-ol, linalool, benzyl alcohol, phenethyl alcohol and the same substances contained in rhizomes were identified. Phytosterol, phytosteryl glucoside and 9 long-chained primary alcohols were also isolated from the rhizomes and leaves.

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